239478510135 has 16 divisors (see below), whose sum is σ = 385110624096. Its totient is φ = 127073536128.

The previous prime is 239478510121. The next prime is 239478510149. The reversal of 239478510135 is 531015874932.

It is an interprime number because it is at equal distance from previous prime (239478510121) and next prime (239478510149).

It is not a de Polignac number, because 239478510135 - 2¹⁰ = 239478509111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40517944 + ... + 40523853.

It is an arithmetic number, because the mean of its divisors is an integer number (24069414006).

Almost surely, 2^239478510135 is an apocalyptic number.

239478510135 is a deficient number, since it is larger than the sum of its proper divisors (145632113961).

239478510135 is a wasteful number, since it uses less digits than its factorization.

239478510135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81042002.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 239478510135 in words is "two hundred thirty-nine billion, four hundred seventy-eight million, five hundred ten thousand, one hundred thirty-five".